My HW firewall block outgoing packets to avast,port 80,every 4 minutes! Why?

system · 2017-02-16T08:01:17.000Z

All work perfectly, but avast try to send packets from all my pc ports to his servers on port 80, my firewall is full of this line of log… can i disable this into avast? What avast trying to do?

…
TCP Packet - Source:10.11.12.12,51267 Destination:fra02-002.ff.avast.com,80 - [BLOCK]
TCP Packet - Source:10.11.12.12,51268 Destination:ams10-013.ff.avast.com,80 - [BLOCK]
TCP Packet - Source:10.11.12.12,51269 Destination:ams10-013.ff.avast.com,80 - [BLOCK]
TCP Packet - Source:10.11.12.12,51271 Destination:fra02-008.ff.avast.com,80 - [BLOCK]
…

Thanks for your help.
Elmar

Asyn · 2017-02-16T08:09:13.000Z

Looks like Avast is trying to connect to its stream-servers and you block it.

system · 2017-03-03T07:19:28.000Z

Exactly.
What kind of information is trying to send this freeware antivirus? My security are compromized? Noone know?
i reveive 300 of this alarm tonight:

TCP Packet - Source:10.11.12.11,57867 Destination:fra02-004.ff.avast.com,80 - [BLOCK]
TCP Packet - Source:10.11.12.11,57886 Destination:ams10-004.ff.avast.com,80 - [BLOCK]
TCP Packet - Source:10.11.12.11,57899 Destination:ams10-004.ff.avast.com,80 - [BLOCK]
TCP Packet - Source:10.11.12.11,57913 Destination:ams10-004.ff.avast.com,80 - [BLOCK]
TCP Packet - Source:10.11.12.11,57915 Destination:ams10-004.ff.avast.com,80 - [BLOCK]
TCP Packet - Source:10.11.12.11,57927 Destination:ams10-004.ff.avast.com,80 - [BLOCK]
…
…
…

Asyn · 2017-03-03T07:42:17.000Z

If you want Avast to work properly, you need to allow it to connect.

Eddy · 2017-03-03T08:54:08.000Z

A decent firewall is not just saying [BLOCK] but also will tell you why it is blocked.

And as Asyn said, setup your firewall correctly and let it allow everything from avast.

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